Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Key West from C$ 403

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
7 Apr — 14 Apr1
1 adult

Cheap flight deals from Ontario to Key West

Keep the following information in mind while searching for Ontario to Key West flight deals. Data was last updated 2 April 2025.

Round-trip from

C$ 547

One-way from

C$ 403

Popular in

June

Cheapest in

January

Average price

C$ 866
7/4-15/4
  • 7/4-15/4
  • 2 total stops
  • 35h 52m total
  • Ontario to Key West
15/5
  • 15/5
  • 2 total stops
  • 18h 50m total
  • Ontario to Key West
Highest demand for flights based on searches. 5% potential increase in price (C$ 76 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Ontario to Key West

Cheapest flights from Ontario to Key West
Explore the most affordable flight options available from Ontario to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.

Mon 7/42:55 p.m.YYZ - EYW
1 stop27h 10mMultiple Airlines
Tue 15/48:45 a.m.EYW - YYZ
1 stop8h 42mMultiple Airlines
Deal found 31/3C$ 547
Sun 6/47:00 a.m.YTZ - EYW
2 stops11h 05mMultiple Airlines
Wed 9/48:45 a.m.EYW - YTZ
2 stops13h 38mMultiple Airlines
Deal found 1/4C$ 556
Sat 23/89:00 p.m.YYZ - EYW
2 stops21h 05mUnited Airlines
Sat 30/86:45 p.m.EYW - YYZ
2 stops24h 52mUnited Airlines
Deal found 1/4C$ 607
Sat 21/68:15 a.m.YUL - EYW
3 stops25h 27mMultiple Airlines
Sat 28/63:58 p.m.EYW - YUL
3 stops32h 39mMultiple Airlines
Deal found 1/4C$ 615
Wed 9/49:15 a.m.YUL - EYW
2 stops22h 45mUnited Airlines
Tue 15/48:45 a.m.EYW - YUL
2 stops23h 03mUnited Airlines
Deal found 1/4C$ 655
Fri 16/511:30 a.m.YYZ - EYW
1 stop6h 00mDelta
Fri 23/56:25 p.m.EYW - YYZ
1 stop5h 30mDelta
Deal found 1/4C$ 760
Fri 16/57:15 a.m.YYZ - EYW
2 stops9h 25mAmerican Airlines
Fri 23/57:29 p.m.EYW - YYZ
1 stop16h 30mAmerican Airlines
Deal found 1/4C$ 761
Thu 15/51:25 p.m.YYZ - EYW
1 stop28h 05mWestJet
Thu 22/57:00 a.m.EYW - YYZ
1 stop16h 55mWestJet
Deal found 30/3C$ 890
Sat 21/64:00 p.m.YUL - EYW
1 stop21h 48mAmerican Airlines
Sat 28/62:40 p.m.EYW - YUL
1 stop8h 04mAmerican Airlines
Deal found 1/4C$ 910
Fri 18/46:00 p.m.YUL - EYW
1 stop23h 17mWestJet
Mon 21/46:13 p.m.EYW - YUL
1 stop22h 39mWestJet
Deal found 1/4C$ 1,093

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 2 April 2025.
Use the filters below to find and compare flights from Ontario to Key West that are best for you.

Fly from

Ontario

Fly to

Key West

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 23/8

9:00 p.m.-6:05 p.m.

2 stops21h 05m

Key West

Sat 30/8

6:45 p.m.-7:37 p.m.

2 stops24h 52m

C$ 607

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

8:15 a.m.-9:42 a.m.

3 stops25h 27m

Key West

Sat 28/6

3:58 p.m.-12:37 a.m.

3 stops32h 39m

C$ 615

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Thu 17/4

6:35 p.m.-6:05 p.m.

2 stops23h 30m

Key West

Mon 21/4

8:45 a.m.-10:28 a.m.

2 stops25h 43m

C$ 691

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 16/5

11:30 a.m.-5:30 p.m.

1 stop6h 00m

Key West

Fri 23/5

6:25 p.m.-11:55 p.m.

1 stop5h 30m

C$ 760

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 16/5

7:15 a.m.-4:40 p.m.

2 stops9h 25m

Key West

Fri 23/5

7:29 p.m.-11:59 a.m.

1 stop16h 30m

C$ 761

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Sat 23/8

6:35 p.m.-6:05 p.m.

2 stops23h 30m

Key West

Sat 30/8

6:45 p.m.-7:42 p.m.

1 stop24h 57m

C$ 816

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 16/5

11:30 a.m.-8:07 p.m.

1 stop8h 37m

Key West

Fri 23/5

6:25 p.m.-11:55 p.m.

1 stop5h 30m

C$ 826

TorontoKey West

YTZ - EYW

YTZEYW

Toronto Island

Thu 15/5

5:15 p.m.-4:41 p.m.

2 stops23h 26m

Key West

Thu 22/5

4:06 p.m.-7:27 p.m.

3 stops27h 21m

C$ 873

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

4:00 p.m.-1:48 p.m.

1 stop21h 48m

Key West

Sat 28/6

2:40 p.m.-10:44 p.m.

1 stop8h 04m

C$ 910

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Fri 18/4

6:00 p.m.-5:17 p.m.

1 stop23h 17m

Key West

Mon 21/4

6:13 p.m.-4:52 p.m.

1 stop22h 39m

C$ 1,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from Ontario to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Key West

What is the cheapest time of day to fly from ON to EYW?

Find hourly flight availability from Ontario to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Key West as you normally would.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 38.0 - 170.0 mm per month. September is typically the wettest month, when rainfall can reach 170.0 mm. February is typically the driest time to visit Key West when rainfall is around 38.0 mm.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated 2 April 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Ontario to Key West have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
8.0
Very good

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Key West from Ontario?

    If you book a flight to Key West from Ontario, you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 4.2 km from the centre of Key West.

  • What are the most popular routes from Region of Ontario to Key West?

  • Can I find deals for flights from Ontario to Key West that include hotel bookings?

    Yes. In addition to deals on Ontario to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Key West.

  • Can I find deals for business class flights from Ontario to Key West?

    Yes. Cheapflights offers flight deals from Ontario to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ontario to Key West

Discover the top 4 airlines that operate flights from Ontario to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 427AverageC$ 765FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 703AverageC$ 822FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 727AverageC$ 1,013FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 817AverageC$ 963FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Key West?

Cheapflights makes it easy to find Ontario to Key West flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Key West?

Cheapflights helps you find that perfect flight to Key West from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Key West with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Key West flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Key West become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Key West flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.